# Code table 4.2 - Parameter number by product discipline and parameter category 0 0 Volcanic ash probability (%) 1 1 Volcanic ash cloud top temperature (K) 2 2 Volcanic ash cloud top pressure (Pa) 3 3 Volcanic ash cloud top height (m) 4 4 Volcanic ash cloud emissivity (Numeric) 5 5 Volcanic ash effective absorption optical depth ratio (Numeric) 6 6 Volcanic ash cloud optical depth (Numeric) 7 7 Volcanic ash column density (kg m-2) 8 8 Volcanic ash particle effective radius (m)